Highlighter keeps changing color

Hi! I keep highlighting my .docx in certain colors, but every time I save and reopen it, it reverts to different ones, usually the color at the top of the column. It really turns my document into an eyesore. What do I do?

EDIT: I tend to have to send documents to other people quite a bit and I prefer to save them in a format native to their computers. I can’t recall having this problem before, but I can’t be sure if it really came with the latest update or not. Is it impossible to save highlight colors in .docx?

Why do you save at *.docx? The house format of LibreOffice is *.odt

See the answer here: Highlight colors change after saving to .doc 1997-2003

Exactly here.